68979266 has 4 divisors (see below), whose sum is σ = 103468902. Its totient is φ = 34489632.

The previous prime is 68979257. The next prime is 68979271. The reversal of 68979266 is 66297986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 6241 = 8305^2 + 79^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17244815 + ... + 17244818.

Almost surely, 2^68979266 is an apocalyptic number.

68979266 is a deficient number, since it is larger than the sum of its proper divisors (34489636).

68979266 is a wasteful number, since it uses less digits than its factorization.

68979266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34489635.

The product of its digits is 1959552, while the sum is 53.

The square root of 68979266 is about 8305.3757290083. The cubic root of 68979266 is about 410.1155058265.

The spelling of 68979266 in words is "sixty-eight million, nine hundred seventy-nine thousand, two hundred sixty-six".